<template>
    <div>
        <el-row>
            <el-col :span="21">
                <el-input v-model="input" placeholder="请输入新任务" @keydown.enter="add()"/>
            </el-col>
            <el-col :span="3">
                <el-button type="success" @click="add()">添加任务</el-button>
            </el-col>
        </el-row>
    </div>
</template>

<script>
export default {
    data(){
        return{
            input:''
        }
    },
    methods:{
        add(){
            if(this.input.trim()!== ''){
                this.$emit("add",this.input)
                this.input = ''
            }
        }
    }
}
</script>